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S6E12: Design Airplane Parachutes; Create Solar Power; Make Photochromic Lenses
How Do They Do It?
Next: S6E13

How Do They Do It? S6E12: Design Airplane Parachutes; Create Solar Power; Make Photochromic Lenses

  • Aired: 2009-08-25
  • Time: 22:00:00
  • Runtime: 25 minutes
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Overview